Crossword Genius

On which to write home? (3)

Ross

I believe the answer is:

pad

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'home?' is the definition.
(pad can mean a person's home)

I can't explain the remainder of the clue.

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(Other definitions for pad that I've seen before include "Bachelor's place?" , "Residence" , "Colloquial apartment or soft bundle" , "Batsman's protection" , "Stuff the animal's foot" .)

I've seen this clue in the Evening Standard.
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